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PIC16LF1554-I

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Microchip Tech Microcontrollers (MCU/MPU/SOC), TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PIC16LF1554-I

Microchip Tech · Microcontrollers (MCU/MPU/SOC) · TSSOP-14

PIC16LF1554-I from Microchip Tech, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Positive supply pin; the device operating voltage range is stated as 1.8V to 3.6V.
2 RA5 bidirectional General-purpose I/O with analog input AN20, Timer1 clock input T1CKI, CLKIN, and interrupt-on-change with individually programmable weak pull-up.
3 RA4 bidirectional General-purpose I/O with analog input AN10, ADC external trigger ADTRIG, Timer1 gate input T1G, EUSART RX/DT and MSSP SDO (alternate pin locations), CLKOUT, and interrupt-on-change with weak pull-up.
4 RA3 input Input pin shared with MCLR/VPP, and MSSP SS, SDA and SDI (alternate pin locations) with interrupt-on-change and weak pull-up.
5 RC5 bidirectional General-purpose I/O with analog input AN21, ADC gradient/guard ring drive AD1GRDA or AD2GRDA, EUSART RX/DT (alternate location), and interrupt-on-change with weak pull-up.
6 RC4 bidirectional General-purpose I/O with analog input AN11, ADC guard ring drive AD1GRDA or AD2GRDA, EUSART TX/CK (alternate location), and interrupt-on-change with weak pull-up.
7 RC3 bidirectional General-purpose I/O with analog input AN22, ADC guard ring drive AD1GRDB or AD2GRDB, PWM2 output, EUSART TX/CK, MSSP SS (alternate locations), and interrupt-on-change with weak pull-up.
8 RC2 bidirectional General-purpose I/O with analog input AN12, ADC guard ring drive AD1GRDB or AD2GRDB, PWM1 output, MSSP SDO (alternate location), and interrupt-on-change with weak pull-up.
9 RC1 bidirectional General-purpose I/O with analog input AN23, MSSP SDA/SDI (alternate locations), and interrupt-on-change with weak pull-up.
10 RC0 bidirectional General-purpose I/O with analog input AN13, MSSP SCL/SCK, and interrupt-on-change with weak pull-up.
11 RA2 bidirectional General-purpose I/O with analog input AN2, Timer0 clock input T0CKI, and external interrupt INT with interrupt-on-change.
12 RA1 bidirectional General-purpose I/O with analog input AN1, voltage reference VREF, ICSP/ICD clock ICSPCLK/ICDCLK, and interrupt-on-change with weak pull-up.
13 RA0 bidirectional General-purpose I/O with analog input AN0, ICSP/ICD data ICSPDAT/ICDDAT, and interrupt-on-change with weak pull-up.
14 VSS power_in Ground reference pin for the device.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TSSOP-14
Category Embedded Processors & Controllers
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating voltage range 1.8 3.6 V Operating Voltage Range, features list (no table in this document) 1
Operating speed, clock input 32 MHz DC - 32 MHz clock input 1
Precision 16 MHz internal oscillator, factory calibration -1 1 % Factory calibrated to +/-1%, typical (as printed) 1

CAD (KiCad official)

  • Symbol: PIC16LF1554-I
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: pic16lf1554-i-etched.step / pic16lf1554-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic16lf1554-i.step / pic16lf1554-i.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (8 pp, sha256 64e9b7b1b84015a2, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF